Residential wastewater treatment systems.

NSF ANSI 40:2018 pdf download

admin Nov 26 , 2021 ANSI Standards No Comment

NSF ANSI 40:2018 pdf download.Wastewater Treatment Systems-Residential wastewater treatment systems. NSF ANSI 40 contains minimum requirements for residential wastewater treatment systems having rated treatment capacities between 1514 L/day (400 gal/day) and 5678 Llday (1500 gal/day). Management methods for the treated...